Writing instrument



FIG. 1 is a left side elevational view of a writing instrument showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a bottom plan view;

FIG. 5 is a rear elevational view with the cap member removed for convenience of illustration;

FIG. 6 is a left side elevational view thereof of FIG. 5;

FIG. 7 is a front elevational view of FIG. 5;

FIG. 8 is a perspective view in an exploded condition of a second embodiment of my new design;

FIG. 9 is a right side elevational view of FIG. 8;

FIG. 10 is a front elevational view of FIG. 8;

FIG. 11 is a left side elevational view of FIG. 8;

FIG. 12 is a top plan view of FIG. 8;

FIG. 13 is a bottom plan view of FIG. 8;

FIG. 14 is a front elevational view of FIG. 8 with the cap member removed for convenience of illustration;

FIG. 15 is a left side elevational view of FIG. 14;

FIG. 16 is a rear elevational view of FIG. 14;

FIG. 17 is a top plan view of FIG. 14;

FIG. 18 is a left side elevational view of a third embodiment of my new design;

FIG. 19 is a front elevational view of FIG. 18;

FIG. 20 is a top plan view of FIG. 18;

FIG. 21 is a bottom plan view of FIG. 18;

FIG. 22 is a rear elevational view of FIG. 18 with the cap member removed for convenience of illustration;

FIG. 23 is a left side elevational view of FIG. 22;

FIG. 24 is a front elevational view of FIG. 22;

FIG. 25 is a perspective view in an exploded condition of a fourth embodiment of my new design;

FIG. 26 is a right side elevational view of FIG. 25;

FIG. 27 is a front elevational view of FIG. 25;

FIG. 28 is a left side elevational view of FIG. 25;

FIG. 29 is a top plan view of FIG. 25;

FIG. 30 is a bottom plan view of FIG. 25;

FIG. 31 is a front elevational view of FIG. 25 with the cap member removed for convenience of illustration;

FIG. 32 is a left side elevational view of FIG. 31;

FIG. 33 is a rear elevational view of FIG. 31; and,

FIG. 34 is a top plan view of FIG. 31. 

The ornamental design for a writing instrument, as shown and described. 